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Windows 7: i have a 640gb wdc HD black but ive lost some HD space

20 Sep 2011   #1
kholdmire

windows 7 ultimate 64 bit
 
 
i have a 640gb wdc HD black but ive lost some HD space

Hi,

Its been bothering me for sometime that i have lost a huge amount of space in my HD

i have a 640gb HD i know that its not really 640gb its some what lesser.. and when i

checked it up all i have is around 596GB where did the other space went?


My System SpecsSystem Spec
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20 Sep 2011   #2
ignatzatsonic

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium SP1, 64-bit
 
 

Sounds normal to me.

The actual formatted capacity of a 640 gig drive is about 596 gigs.

Formatted capacity is about 7% less than advertised capacity.
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20 Sep 2011   #3
kholdmire

windows 7 ultimate 64 bit
 
 

oh ok thanks, then its just my dilema then.. thanks for the enlightenment
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20 Sep 2011   #4
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

The numbers the system shows are in binary. The number the sticker shows is in decimal. And at the GB level, the difference (in numbers) is about 7%. But 93GB in binary are still 100 billion bytes.
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20 Sep 2011   #5
kholdmire

windows 7 ultimate 64 bit
 
 

i was thinking that they where using 1024 count, but oh well i guess i need to make an external HD as storage
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20 Sep 2011   #6
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Quote   Quote: Originally Posted by kholdmire View Post
i was thinking that they where using 1024 count, but oh well i guess i need to make an external HD as storage
You are right, now multiply 1024x1024x1024 to get to GBs, and you will see that it is 7% more in value. So 100GBs in binary would be 107GB in decimal.
My System SpecsSystem Spec
20 Sep 2011   #7
GeneO

Windows 10 Pro. EFI boot partition, full EFI boot
 
 

It's because you have to live with less if you are a nerd and live in the base 2 world. Those base 10 bullies just kick their excess bits in your face. Ouch!
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21 Sep 2011   #8
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

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 i have a 640gb wdc HD black but ive lost some HD space




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